Win32/LockScreen.CH

Written by Robert Bailey

What is Win32/LockScreen.CH infection?

In this post you will certainly discover about the interpretation of Win32/LockScreen.CH and also its adverse impact on your computer. Such ransomware are a type of malware that is elaborated by on the internet fraudulences to demand paying the ransom by a victim.

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In the majority of the instances, Win32/LockScreen.CH virus will certainly advise its sufferers to launch funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has presented to the target’s tool.

Win32/LockScreen.CH Summary

These alterations can be as complies with:

  • Executable code extraction;
  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Uses Windows utilities for basic functionality;
  • Installs itself for autorun at Windows startup;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the files found on the sufferer’s hard drive — so the sufferer can no longer use the data;
  • Preventing regular access to the target’s workstation;

Related domains:

z.whorecord.xyz Trojan-Ransom.Win32.PornoAsset.cral
a.tomx.xyz Trojan-Ransom.Win32.PornoAsset.cral

Win32/LockScreen.CH

The most normal networks through which Win32/LockScreen.CH Ransomware are infused are:

  • By means of phishing emails;
  • As an effect of user winding up on a resource that holds a destructive software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the sufferer’s PC or avoid the device from working in an appropriate manner – while likewise placing a ransom money note that states the need for the targets to impact the repayment for the objective of decrypting the records or recovering the documents system back to the preliminary problem. In a lot of instances, the ransom money note will show up when the client reboots the COMPUTER after the system has currently been harmed.

Win32/LockScreen.CH distribution channels.

In various corners of the world, Win32/LockScreen.CH grows by jumps and bounds. Nevertheless, the ransom money notes and also techniques of obtaining the ransom money amount might vary depending on certain regional (local) settings. The ransom money notes as well as tricks of extorting the ransom money amount might vary depending on certain local (regional) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software program.

    In certain locations, the Trojans commonly wrongfully report having detected some unlicensed applications made it possible for on the victim’s device. The alert then demands the user to pay the ransom money.

    Faulty declarations regarding prohibited content.

    In nations where software piracy is less preferred, this approach is not as effective for the cyber scams. Alternatively, the Win32/LockScreen.CH popup alert may wrongly claim to be stemming from a police establishment and also will report having situated youngster porn or other illegal information on the device.

    Win32/LockScreen.CH popup alert might falsely assert to be deriving from a law enforcement institution and also will certainly report having located kid pornography or various other unlawful information on the tool. The alert will similarly include a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: A80928DF
md5: 91debab57472e0cf866a1c3861ba7767
name: 91DEBAB57472E0CF866A1C3861BA7767.mlw
sha1: 2e85b04801b9f7098491ada8c4f3957fcce501ed
sha256: d1f518fa41fd8e5e96d5d4503825f505617d806a418a589af13d498ba564e813
sha512: 06f25ef0665cb3525419821ab42f07c0c643701f562271e836430feb5b3cb9d0dc62baed14022c6d62225ba2d20b7064071f12b452f534cd1c758744789658de
ssdeep: 192:tqi/jTp5CLCnXdwGhqToeYjD/BLvM3tB2YjpvdPfjO8TdXGV77:wi/55znVxvZLiPpvdPfjO8ThGV77
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright:
InternalName:
FileVersion:
CompanyName:
ProductName:
OleSelfRegister:
ProductVersion:
FileDescription:
OriginalFilename:
Translation: 0x0409 0x04b0

Win32/LockScreen.CH also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 000d934d1 )
Lionic Trojan.Win32.PornoAsset.j!c
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.407
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ser.Johnnie.4437
Cylance Unsafe
Zillya Trojan.LockScreen.Win32.7557
CrowdStrike win/malicious_confidence_60% (D)
Alibaba Trojan:Win32/Starter.ali2000005
K7GW Trojan ( 000d934d1 )
Cybereason malicious.57472e
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/LockScreen.CH
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.PornoAsset.cral
BitDefender Gen:Variant.Ser.Johnnie.4437
NANO-Antivirus Trojan.Win32.PornoAsset.edjatv
MicroWorld-eScan Gen:Variant.Ser.Johnnie.4437
Tencent Win32.Trojan.Pornoasset.Htvy
Ad-Aware Gen:Variant.Ser.Johnnie.4437
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Kreeper.~VKD@1r2ve1
BitDefenderTheta AI:Packer.DE0BC3161F
VIPRE Trojan.Win32.Generic.pak!cobra
TrendMicro TROJ_RANSVB.SMA
McAfee-GW-Edition BehavesLike.Win32.Trojan.mz
FireEye Generic.mg.91debab57472e0cf
Emsisoft Gen:Variant.Ser.Johnnie.4437 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Chameleon.a
Avira HEUR/AGEN.1125779
Antiy-AVL Trojan/Generic.ASMalwS.18445D2
Microsoft Trojan:Win32/SMSer.F
GData Gen:Variant.Ser.Johnnie.4437
AhnLab-V3 Trojan/Win32.HDC.C88505
McAfee GenericRXAA-AA!91DEBAB57472
MAX malware (ai score=100)
VBA32 SScope.Trojan.Validium.va
Panda Generic Malware
TrendMicro-HouseCall TROJ_RANSVB.SMA
Ikarus Trojan-Ransom.Fullscreen
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Generic.AC.35333E!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/LockScreen.CH ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/LockScreen.CH files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Win32/LockScreen.CH you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: http://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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